     package com.example.springboot.config;

     import org.springframework.context.annotation.Configuration;
     import org.springframework.web.servlet.config.annotation.CorsRegistry;
     import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

     @Configuration
     public class WebConfig implements WebMvcConfigurer {

         @Override
         public void addCorsMappings(CorsRegistry registry) {
             registry.addMapping("/**")
                     .allowedOrigins("http://localhost:8080")
                     .allowedMethods("GET", "POST", "PUT", "DELETE", "OPTIONS")
                     .allowedHeaders("*")
                     .allowCredentials(true);
         }
     }
     